An account earns simple interest.
$2000 at 3.5% for 4 years
a. find the interest earned.
$280
b. find the balance of the account.
$

Read the situations in the table below. then drag a graph and equation to represent each situation. indicate whether each of the relationships is proportional or non-proportional. edit : i got the right answer its attached

Find the length of the normal and the angle it makes with the positive x-axis. (see pictured below)

Solve the system of equations. 2x-2y=-4 and x+y=8. show work